openresty | High Performance Web Platform Based on Nginx and LuaJIT | Proxy library
kandi X-RAY | openresty Summary
kandi X-RAY | openresty Summary
High Performance Web Platform Based on Nginx and LuaJIT
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QUESTION
I understand that I can use one of the following to remove specific headers from the response in NGINX
...ANSWER
Answered 2022-Mar-18 at 09:31more_clear_headers
supports wildcard *
so this works for all X-Headers: more_clear_headers 'X-*';
Never tried but I assume that also more_clear_headers '*';
works.
But you have to build from source for using headers-more-nginx-modul
.
QUESTION
I'm trying to dynamically render a list of DailyWeatherForecast, a Flutter StatelessWidget. The DailyWeatherForecast widget has some variables such as final String month
and final double low
, which intend to act as a single summarized forecast for a day as a narrow card. It has a constructor, and it works if I pass in hard-coded values to it from my main.dart. It looks and works great.
Information is pulled from an API though. So, I can't have this information hard-coded. See the code below for my approach:
...ANSWER
Answered 2022-Feb-08 at 06:02I found the issue. The DailyWeatherForecast had to have a set width. I just wrapped the TextButton in a SizedBox with a set width and it works.
QUESTION
Hello I get an $response
from an API post request, below is the $response
ANSWER
Answered 2022-Feb-03 at 13:47Looking at the docs, we see two methods:
getRawBody
(https://github.com/line/line-bot-sdk-php/blob/0500634336ec1b524587a978b917b7b3a3679aef/src/LINEBot/Response.php#L74)getJSONDecodedBody
(https://github.com/line/line-bot-sdk-php/blob/0500634336ec1b524587a978b917b7b3a3679aef/src/LINEBot/Response.php#L84)
So, one could use either $response->getRawBody()
or $response->getJSONDecodedBody()
, depending on which of them fits the requirements better.
My initial idea was to do it via:
QUESTION
I am experimenting with a two-service docker-compose recipe, largely based on the following GitHub project:
...ANSWER
Answered 2022-Jan-25 at 19:43Authorization Servers such as Keycloak have a base / internet URL when running behind a reverse proxy. You don't need to do anything dynamic in the reverse proxy - have a look at the frontend URL configuration.
Out of interest I just answered a similar question here, that may help you to understand the general pattern. Aim for good URLs (not localhost) and a discovery endpoint that returns intermet URLs rather than internal URLs.
QUESTION
I have a Python script that I try to run from Openresty/Lua with the following Nginx location block:
...ANSWER
Answered 2022-Jan-07 at 22:06Found an answer here: https://askubuntu.com/questions/1014947/mysql-connector-python-importerror-no-module-named-mysql
should apt-get install python3-mysql.connector
(i.e. not just pip install mysql-connector-python3
)
QUESTION
Background: java has a set of ready-made code, which needs to be migrated to lua now.
When testing: the same key is used
key = "1938703285589872452";
data = "111111";
1.java's encryption code
pom
...ANSWER
Answered 2022-Jan-07 at 02:24First I want to tell you that what you did in Java is AES-256-CBC encryption with PKCS7 padding. The number 256 is the key length in bits, which means 32 bytes as you used in Java code.
QUESTION
I'm new to AWS and just exploring possible architectures using the tools like AWS cognito, AWS Cloudfront, and/or AWS API Gateway.
Currently, my app is deployed in an EC2 instance and here is the outline:
Frontend: React app running on port 80. When a user goes to https://myapp.com, the request is be directed to my-ec2-instance:80.
Backend: Nodejs + Express running on port 3000. After the user loads the frontend in the browser, when he interacts with the website, http requests are sent to https://myapp.com/api/*, which are routed to my-ec2-instance:3000;
I use nginx/openresty as a single entry point to my webapp, and it does authorization with AWS Cognito, and then reverse-proxy the requests based on path:
Now, instead of managing an EC2 instance with the nginx/openresty service in it, I want to go serverless.
I plan to point my domain myapp.com
to AWS CloudFront, and then Cloudfront acts as the single entry point to replace the functionalities of Nginx/Openresty. It should do the following:
Authorization with AWS Cognito:
When a user first visitsmyapp.com
, he is directed to AWS Cognito from AWS Cloudfront to complete the sign-in step.path-based reverse proxy: I know this can be done. I can configure this from the CloudFront configuration page.
But for 1, Can Cloudfront do authorization with AWS Cognito? Is this the right way of using AWS Cloudfront?
After reading the AWS doc and trying with Cloudfront configurations, I started to think that Cloudfront is not build for such a use case at all.
Any suggestions?
...ANSWER
Answered 2021-Dec-22 at 13:12Few ideas.
Frontend:
Use S3 + CloudFront distribution.
About the authentication, you can try using a Lambda function "linked" to the CloudFront distribution, redirecting to Cognito.
Backend:
Deploy on Fargate, EC2 or do you prefer.
Put an Application Load Balancer (ALB) in front of the endpoint, so you can define rules with redirects, forward, deny, etc.
QUESTION
I have the following service:
...ANSWER
Answered 2021-Nov-30 at 09:03By default, the ingress controller proxies incoming requests to your backend using the HTTP protocol.
You backend service is expecting requests in HTTPS though, so you need to tell nginx ingress controller to use HTTPS.
You can do so by adding an annotation to the Ingress
resource like this:
QUESTION
I am using lua inside nginx, below is the code to encode a string:
...ANSWER
Answered 2021-Nov-18 at 02:08Again, you made a couple of errors. Lua operator for string concatenation is ..
. Lua doesn't expect semicolons between the operators. You have a weird mix of lua and nginx configuration syntax. If you don't need those $es_username
and $es_pwd
variables elsewhere, use
QUESTION
Similar to the issue mentioned here https://forum.openresty.us/d/6503-get-content-of-second-set-cookie-header
I have an NGINX configuration that gets the cookies stored in Set-Cookie by the upstream auth_request and I need to return those set-cookie to the client, however whenever I try to return those cookies only the first set-cookie is returned to the client.
Below is an example configuration to demonstrate the issue
...ANSWER
Answered 2021-Nov-06 at 11:25Unfortunately it is impossible to do it the way you want to. Setting cookies using multiple Set-Cookie
header is a common approach, the MDN documentation on Set-Cookie
header explicitly says that:
To send multiple cookies, multiple
Set-Cookie
headers should be sent in the same response.
When multiple headers with the same name are received from the upstream, only the first one is accessible using $upstream_http_
variable (with a few exceptions, e.g. Cache-Control
one, if I remember correctly). There is a ticket for that on nginx bug tracker (although I did't consider it a bug). Set-Cookie
header is really a special case that can't be folded in opposite to many other headers, check this answer and comments below it to see why is it so. (Of course, you are still free to use any $upstream_cookie_
per-cookie variable).
However it is possible to do it using OpenResty (mentioned in your question) or lua-nginx-module
. The bad news, it will be incompatible with the auth_request
directive since it is impossible to add those lua_...
handlers to the auth location (or any other subrequest location that can be used, e.g., by add_before_body
or add_after_body
directives from the ngx_http_addition_module
). You didn't get an error, but those handlers won't be fired on a subrequest. The good news, functionality similar to auth_request
can be implemented using ngx.location.capture
API call.
So if using nginx-lua-module
is suitable for you (and if it isn't, maybe the solution will help some others), this can be done the following way:
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